exhaust question

Reply Subscribe

Thread Tools

Search this Thread

Feb 6, 2009 | 09:34 PM

#41

fastLS4

Staging Lane

Joined: Feb 2008

Posts: 63

Likes: 0

From: Indianapolis, IN

409 Stainless Steel which is what the Magnaflow kit is made of will have surface rust, but not rust through.

304 Stainless its the best for an exhaust system.

The GXP W-Body frame is the same as the Monte/Impala. There is nothing different on that frame from the others. Now there might be other things that make the car ride/handle different but the W-Body Frame is the same.

Feb 7, 2009 | 12:04 AM

#42

Panther427

TECH Fanatic

Joined: Feb 2009

Posts: 1,401

Likes: 1

I think im gonna try the aero turbine muffler/resonators.

Feb 7, 2009 | 12:59 AM

#43

Nacho SS

TECH Junkie

iTrader: (4)

Joined: Feb 2007

Posts: 3,560

Likes: 0

From: 805-818

Quote:

Originally Posted by Hell'sChariot

My 06 impala ss is NOT stainless. Everything under the car is clean as ****, but the exhaust pipe is rusty as hell.

10-4 on that. I'm 3" all the way back, Hogan Catless DP, magnaflow single chambers, you better bet I set of car alarms. It was worse with the Super44s.

Feb 7, 2009 | 05:59 PM

#44

crashman

Staging Lane

iTrader: (1)

Joined: Dec 2008

Posts: 51

Likes: 0

From: Perry Hall MD

Quote:

Originally Posted by cherry gxp

new tips are expensive as ****!!!!!!!!!!!!

I've got a 07 GPX that got fudge packed in the rear last week, Over $5,300.00 in damages. The cat back exhaust system was going to cost over $1,100.00
!!!!! Thank God for magnaflow.

Feb 8, 2009 | 10:33 PM

#45

Kazmaniac

TECH Fanatic

Joined: Oct 2006

Posts: 1,190

Likes: 0

The pipes will still get surface rust.

Why would the Imp not be stainless? More cost cutting?

Feb 10, 2009 | 09:04 AM

#46

cherry gxp

On The Tree

Joined: Jan 2009

Posts: 177

Likes: 0

From: Brownsburg, IN

Ok, questions, first, are we ABSOLUTELY sure that the '05 GXP exhaust is stainless? second, what size resonator should I buy if I want to put a new one on? I'm thinking about a shotgun res from SLP but I don't think they make them in a size to bolt up to our cars stock exhaust. Thanks guys.

Feb 10, 2009 | 09:23 AM

#47

oshia86

Launching!

Joined: Nov 2008

Posts: 285

Likes: 0

From: Granite City, IL

As far as a resonator, get whatever fits the pipe size and match the length to the volume you want (longer generally being quiter etc).

Feb 10, 2009 | 11:10 AM

#48

mp4life23

On The Tree

Joined: Jul 2008

Posts: 158

Likes: 0

From: St louis

Borla and bassani are the only brands that i know of use surgical 304 stainless all others use 409

LS1 Tech Stories

The Best V8 Stories One Small Block at Time

6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Brett Foote

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Pouria Savadkouei

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Verdad Gallardo

7 Most Reliable High-Performance Engines GM Has Ever Built

Verdad Gallardo

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Verdad Gallardo

6 Common C5 Corvette Failures and What's Involved In Repairing Them

Pouria Savadkouei

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Verdad Gallardo

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Pouria Savadkouei

Top 10 Most Powerful Chevy Trucks Ever Made!

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Verdad Gallardo

Feb 10, 2009 | 12:10 PM

#49

cherry gxp

On The Tree

Joined: Jan 2009

Posts: 177

Likes: 0

From: Brownsburg, IN

is our resonator 2.5" or is it 2.25 like the rest of the system? Also, is our cat 2.5" or 2.25"?

Feb 10, 2009 | 10:13 PM

#50

Nacho SS

TECH Junkie

iTrader: (4)

Joined: Feb 2007

Posts: 3,560

Likes: 0

From: 805-818

Quote:

Originally Posted by cherry gxp

is our resonator 2.5" or is it 2.25 like the rest of the system? Also, is our cat 2.5" or 2.25"?

Resonators are welded in the stock exhaust on the 2.5" I pipe.

Feb 10, 2009 | 10:29 PM

#51

fastLS4

Staging Lane

Joined: Feb 2008

Posts: 63

Likes: 0

From: Indianapolis, IN

Quote:

Originally Posted by mp4life23

Borla and bassani are the only brands that i know of use surgical 304 stainless all others use 409

SLP does aswell

Feb 10, 2009 | 11:09 PM

#52

layitlow

Registered User

Joined: Feb 2009

Posts: 27

Likes: 0

From: des moines iowa

i tried something i never heard of and put glaspacks on my impala ss and they sound amazing

Feb 11, 2009 | 12:36 AM

#53

Panther427

TECH Fanatic

Joined: Feb 2009

Posts: 1,401

Likes: 1

If u leave the factory cats in and just through in a glass pack now days it really isnt loud like most people think. My brother done that to his dodge pickup

Feb 11, 2009 | 03:47 AM

#54

cherry gxp

On The Tree

Joined: Jan 2009

Posts: 177

Likes: 0

From: Brownsburg, IN

awesome, thanks nacho, I'm still not sure what I want to do with the resonator yet. I'm gonna get the mufflers installed and see how I like it first.

Feb 11, 2009 | 07:52 AM

#55

Brian396

TECH Enthusiast

iTrader: (3)

Joined: Aug 2007

Posts: 749

Likes: 0

From: Ottawa IL

I just used a strait thru magnaflow muffler instead of a resonator. The 3” SLP loud mouth resonator I got was Just a 4” pipe necked down to 3 on the ends. When they say loud mouth they ant blowin smoke.

Feb 11, 2009 | 03:01 PM

#56

williamGT

TECH Fanatic

iTrader: (5)

Joined: Jul 2008

Posts: 1,467

Likes: 0

From: Yellowknife NT Canada

I have the magnaflow cat-back.....if I swap out the mufflers for flowmaster 40's....will I loss low end power? (BTW I still have res on the cat-back)

Feb 11, 2009 | 05:39 PM

#57

Brian396

TECH Enthusiast

iTrader: (3)

Joined: Aug 2007

Posts: 749

Likes: 0

From: Ottawa IL

No the only way you would lose low end is with a 3' down pipe, and that is questionable.

Feb 11, 2009 | 05:48 PM

#58

Nacho SS

TECH Junkie

iTrader: (4)

Joined: Feb 2007

Posts: 3,560

Likes: 0

From: 805-818

Quote:

Originally Posted by Brian396

No the only way you would lose low end is with a 3' down pipe, and that is questionable.

But your gains up top are much better.

Feb 11, 2009 | 05:51 PM

#59

williamGT

TECH Fanatic

iTrader: (5)

Joined: Jul 2008

Posts: 1,467

Likes: 0

From: Yellowknife NT Canada

Thanks, I love the magnaflow, but its not loud...has anyone on here have a magnaflow cat back and swaped the mufflers for somthing else?

Feb 11, 2009 | 05:54 PM

#60

Nacho SS

TECH Junkie

iTrader: (4)

Joined: Feb 2007

Posts: 3,560

Likes: 0

From: 805-818

Quote:

Originally Posted by williamGT

Thanks, I love the magnaflow, but its not loud...has anyone on here have a magnaflow cat back and swaped the mufflers for somthing else?

I don't think anyone has done that, because most people buy the MF set-up more for mellow, reserved tones.

I have 3" all the way back, !Res with a set of these, ready to replace my Super44s:

http://store.summitracing.com/partde...5&autoview=sku

Reply Share

First
Prev
3 / 5
Next
Last